Home / 3,828.35-5,731.36-2,845.51

Finding the Fourth Proportional to 3,828.35, 5,731.36 and 2,845.51

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Solution

The fourth proportional to 3,828.35, 5,731.36 and 2,845.51 is: 4,259.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828.35 : 5,731.36 = 2,845.51 : x
  2. Step 2: Convert to fraction form
    3,828.35/5,731.36 = 2,845.51/x
  3. Step 3: Cross multiply
    3,828.35x = 5,731.36 × 2,845.51
  4. Step 4: Simplify right side
    3,828.35x = 16,308,652.91
  5. Step 5: Solve for x
    x = 16,308,652.91/3,828.35
  6. Step 6: Final answer
    x = 4,259.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.